package com.xuehu.cloud.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.util.Date;

/**
 * @author guoweia@cslc.com.cn
 * @create 2020/12/10 10:35
 * @desc
 */
@Component
@Slf4j
public class XuehuGlobalFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        log.info("**********XuehuGlobalFilter:" + new Date() + "**********");
        String uname = exchange.getRequest().getQueryParams().getFirst("uname");
        if(null == uname){
            log.info("**********XuehuGlobalFilter::uname为null**********");
            exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);
            return exchange.getResponse().setComplete();
        }
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 0;
    }
}
